Secure the long-term performance of your machinery with our premium, Chinese-made, OEM-spec engine components.
As a source manufacturer with strong foreign trade export capabilities, we offer direct factory pricing and support custom development for various engine cylinder liners, ensuring perfect fit and durability.
The ISUZU 4HK1 Thermostat (8-97363402-0, 8973634020) is a critical component for maintaining the optimal operating temperature of your heavy-duty engine. A faulty thermostat can lead to engine overheating or poor fuel efficiency, commonly found in ISUZU excavators and other construction machinery. Our replacement unit is designed to meet or exceed OEM standards, offering a reliable solution.
Use for excavator or construction machinery, ensuring proper coolant flow management.
Precision-calibrated Opening Temp 82°C for optimal engine performance.
Direct fit replacement for ISUZU 4HK1 engine model.
Durable construction guarantees long service life under high-stress conditions.
Critical component for preventing coolant system failures and subsequent engine damage.
| Brand | ISUZU |
| Model NO. | 4HK1 |
| Part Number | 8-97363402-0, 8973634020 |
| Product Name | Thermostat |
| Application | ISUZU Excavator, Construction Machinery |
| Specification | Opening Temp 82°C |
| Certification | ISO9001 |
| Condition | New |
| Origin | China |
| Model No. | 4HK1 |
| Product Name | Thermostat |
| Trademark | OEM Alternative |
| Production Capacity | 5000 PCS/Year |
| Payment Terms | T/T, Western Union, MoneyGram |
| Transport Package | Carton |
| Delivery Methods | Express: DHL, FedEx, EMS, UPS or by Air/Sea |
We are Honour Time Machinery Limited, specializing in a complete selection of engine assemblies and spare parts for all major brands. Our commitment to high-quality aftermarket engine parts China and foreign trade export ensures you receive reliable products at factory-direct pricing.
Liner Kit (Cylinder Liner)
Piston & Piston Ring Set (OEM quality piston ring set for construction)
Gasket Kit (Full gasket kit for Komatsu excavator, Engine block gasket head replacement cost)
Engine Bearing (Caterpillar C7 connecting rod bearing set, Kubota V3307 main bearing set)
Crankshaft & Connecting Rod (Source manufacturer engine crankshaft)
Nozzle & Injector (Diesel engine nozzle and plunger assembly)
Diesel Pump (Isuzu 4BG1 fuel injection pump replacement)
Radiator & Water Pump (Yanmar 4TNV98 water pump assembly)
Flameout Solenoid & Pressure Switch
Cylinder Block & Cylinder Head (China export engine cylinder block, Genuine alternative engine cylinder head)
Valve Guide & Valve Seat (Heavy machinery engine valve guide material)
Turbocharger (Weichai WP10 turbocharger factory direct)
Engine Assembly (Excavator diesel engine rebuild kit supplier)
| Brand | Model(s) |
|---|---|
| KOMATSU | 3D82, 3D84, 4D105, 6D95, 6D108, 6D110, 4D84, 4D95, 6D102, 6D105, 6D114, 6D170 |
| KOBELCO | J05E, 6D34T, 6D16, J08E, 6D22T, 6D24T, 6D16T, 6D34 |
| CATERPILLAR | 3114, 3116, C4, C6, 3064T, S6K, C7, C-9, C13 |
| MITSUBISHI | 4D34, 4D24, K4M, S3Q2, 6D16, 6D24, S4KT, 6D40 |
| ISUZU | 3LD1, 4LE1, 4BG1, 4HK1, 6SD1, 6WG1, 4LE2, 4JB1, 6BG1, 6HK1, 6WF1 |
| YANMAR | 4D88E, 4TNE84, 4TNV88, 4TNV94L, 4TNE88, 4TNE94, 4TNV98, 4TNV106 |
| HINO | J05E, J08E, V25C, EF750, P11C, V21C, H06CT, H07D |
| CUMMINS | QSB6.7, QSM11-C, B5.9-C, B3.9-C, QSM11, C8.3-C |
| VOLVO | D6D, D6E, D9E, D12D, D7D, D7E, D12E, D16D |
A common issue in the Komatsu PC200-8 excavator is hydraulic system overheating, often leading to sluggish operation. The fault can frequently be traced to a clogged or damaged hydraulic oil cooler or a worn hydraulic pump seal.
Solution: Inspect and clean the hydraulic oil cooler fins regularly. If the pump is suspect, replace the hydraulic pump seal kit, ensuring you use a high-quality seal to prevent premature failure.
Daily Check: Monitor engine oil, coolant, and hydraulic fluid levels. Inspect hoses and belts for wear.
250-Hour Service: Replace engine oil and filters. Check battery electrolyte and tighten track tension.
500-Hour Service: Replace fuel filter and hydraulic return filter. Inspect main bearing clearances (e.g., in a Cummins B3.9-C).
2000-Hour Service: Replace cooling system coolant and inspect turbocharger (e.g., Isuzu 6WG1 Turbocharger Inspection).
Seals the combustion chamber; located in the piston grooves. Keyword: Cummins QSB6.7 Piston Ring Set
Converts reciprocating motion into rotary motion; located in the engine block's main bearings. Keyword: Komatsu 6D107 Crankshaft Alignment
Guides the valve stem; pressed into the cylinder head. Keyword: Caterpillar 3116 Valve Guide Replacement
Seals the joint between the cylinder head and the engine block. Keyword: Isuzu 4BG1 Gasket Head Torque Specs
Supports the crankshaft; installed in the main bearing saddles of the engine block. Keyword: Kubota V3307 Main Bearing Set Installation
Atomizes fuel into the combustion chamber; mounted in the cylinder head. Keyword: Yanmar 4TNV98 Fuel Nozzle Cleaning
Compresses intake air; bolted to the exhaust manifold. Keyword: Weichai WP10 Turbocharger Failure Symptoms
Circulates coolant; typically mounted to the front of the engine block. Keyword: Cummins B5.9-C Water Pump Housing
Cuts off fuel supply to stop the engine; located on the fuel pump. Keyword: Komatsu PC200-7 Flameout Solenoid Test
Monitors fluid pressure (e.g., oil, hydraulic); located in the respective fluid circuits. Keyword: Caterpillar C9 Oil Pressure Switch Location
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